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MathGroup Archive 2012

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NDSolve solutions

  • To: mathgroup at smc.vnet.net
  • Subject: [mg125054] NDSolve solutions
  • From: Niles <niels.martinsen at gmail.com>
  • Date: Mon, 20 Feb 2012 02:44:59 -0500 (EST)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com

Hi

I have solved an ODE using NDSolve, and I plot the solution like this:

ParametricPlot[{z[t], z'[t]} /. solution, {t, 0, 2 maxTime}, PlotRange
-> {{0, 0.2}, {0, 450}}, AspectRatio -> 0.75]

The curve shown (the velocity as a function of position) I want to use
in a new mathematical expression. How can I do that? If I use z'[t],
then it is as a function of time, which is no good to me.

I appreciate your help.

Best regards,
Niles.



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